| Tectonic Plates Map Quiz | 0 | - | 4.99 | 82,174 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,182 |
| Countries with Fjords | 0 | - | 4.94 | 101,489 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,924 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,724 |
| World's Longest Rivers | 0 | - | 4.89 | 137,693 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 165,679 |
| Megadiverse Countries | 0 | - | 4.96 | 145,627 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,203 |
| North Sea Countries | 0 | - | 4.92 | 87,744 |
| Black Sea Countries | 0 | - | 4.87 | 60,775 |
| Countries That Touch the Red Sea | 0 | - | 4.91 | 65,629 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,727 |
| Countries With No Rivers | 0 | - | 4.96 | 77,213 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,403 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 63,077 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 88,381 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,924 |
| Seas on the World Map | 0 | - | 4.96 | 136,034 |
| Seas of the World | 0 | - | 5.00 | 158,645 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,674 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 116,040 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 75,041 |
| Geologic Time Scale | 0 | - | 4.41 | 10,071 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,171 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,851 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,288 |
| Seas that Touch the Most Countries | 0 | - | 4.64 | 97,141 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,854 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,318 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,293 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,734 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,956 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,681 |
| Famous Rivers | 0 | - | 4.75 | 105,278 |
| City to River #1 | 0 | - | 4.59 | 35,908 |
| Most Populous River Basins | 0 | - | 4.55 | 39,822 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,500 |
| Boundary Waters | 0 | - | 4.92 | 88,803 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,430 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,766 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,428 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,013 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,398 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,035 |
| Countries with the Longest Coastlines | 0 | - | 4.81 | 414,258 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,754 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,424 |
| Famous Lakes Quiz | 0 | - | 4.52 | 24,080 |
| Rivers by City | 0 | - | 4.38 | 31,782 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,245 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,095 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,923,524 |
| Landlocked Countries | 0 | - | 4.99 | 426,612 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,955 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,452 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,069 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,100 |
| Biggest City by River | 0 | - | 4.38 | 52,971 |
| World Capitals Quiz | 0 | - | 5.00 | 5,109,859 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,587 |
| Himalayan Countries | 0 | - | 4.93 | 140,520 |
| Andean Countries | 0 | - | 4.94 | 85,639 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,776 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,240 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,330 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,565 |
| Danube Countries | 0 | - | 4.97 | 72,475 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,690 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,904 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,283 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,744 |
| European Landlocked Countries | 0 | - | 4.99 | 147,678 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,412 |
| Countries with the Most Species | 0 | - | 4.99 | 103,607 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,519 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,791 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,917 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,881 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,621 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,078 |
| Countries in the Alps | 0 | - | 4.87 | 118,863 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,809 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,009 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,015 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,098 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,042 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,329 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,477 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,926 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,472 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,244 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,919 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,788 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,621 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,855 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,953 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,012 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,663 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,683 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,760 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,975 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,318 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,560 |
| Largest Countries By Category | 0 | - | 4.97 | 158,956 |
| Countries by Countries | 0 | - | 4.97 | 63,718 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,339 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,427 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,689 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,199 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,473 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,158 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,808,133 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,528 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,012 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,847 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,633 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,250 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,607 |
| Longest International Borders | 0 | - | 4.99 | 265,895 |
| Countries with Three Borders | 0 | - | 4.96 | 36,805 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,387 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,524 |
| Demonym of Every Country | 0 | - | 4.90 | 61,554 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,401 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 48,044 |
| "Second Best" Geography Edition #1 | 0 | - | 4.56 | 63,710 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,008 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,600,888 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,867 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,027 |
| Island Countries | 0 | - | 4.99 | 712,775 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,430 |
| Northernmost Countries | 0 | - | 4.99 | 364,309 |
| Countries of South America | 0 | - | 5.00 | 933,468 |
| Countries of Oceania | 0 | - | 5.00 | 1,064,460 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,891,099 |
| "Land" Countries | 0 | - | 4.98 | 338,591 |
| Top World Languages | 0 | - | 4.92 | 830,536 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,752 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 105,044 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,335 |
| Countries with Megacities | 0 | - | 4.99 | 267,493 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,994 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,235 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,329 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,338 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,410 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,462 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,025 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,273 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,330 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,249 |
| Countries by Capital City | 0 | - | 5.00 | 69,512 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,955 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,284 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,883 |
| Moved Capital Cities | 0 | - | 4.96 | 74,692 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,836 |
| Countries by Official Language | 0 | - | 4.95 | 196,124 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,789 |
| Countries in their Native Language | 0 | - | 4.99 | 199,847 |
| Independence from Whom | 0 | - | 4.99 | 213,238 |
| Subdivisions by Country | 0 | - | 4.87 | 50,642 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,565 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,038 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,558 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,753 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,239 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,357 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,891 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,188 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,595 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,129 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,275 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,648 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,437 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,467 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,179 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,608 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,917 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,395,385 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,543 |
| World Map Quiz | 0 | - | 4.81 | 65,827 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,572 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,760 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,660 |
| Countries by Founding Story | 0 | - | 4.95 | 77,859 |
| Countries by Road Signs | 0 | - | 4.98 | 54,395 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,388 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,161 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,625 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,748 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,488 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,608 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,793 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,730 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,854 |
| Widest Countries East to West | 0 | - | 4.92 | 130,778 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,617 |
